From: Lee Jones <lee.jones@linaro.org>
To: linux-kernel@vger.kernel.org,
"Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Colin Ian King" <colin.king@canonical.com>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 13/40] drm/amd/display/dc/calcs/dce_calcs: Move some large variables from the stack to the heap
Date: Tue, 12 Jan 2021 13:44:30 +0000 [thread overview]
Message-ID: <20210112134430.GA3975472@dell> (raw)
In-Reply-To: <20210111191926.3688443-14-lee.jones@linaro.org>
On Mon, 11 Jan 2021, Lee Jones wrote:
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c: In function ‘calculate_bandwidth’:
> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:2016:1: warning: the frame size of 1216 bytes is larger than 1024 bytes [-Wframe-larger-than=]
>
> Cc: Harry Wentland <harry.wentland@amd.com>
> Cc: Leo Li <sunpeng.li@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Daniel Vetter <daniel@ffwll.ch>
> Cc: Colin Ian King <colin.king@canonical.com>
> Cc: amd-gfx@lists.freedesktop.org
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
> .../gpu/drm/amd/display/dc/calcs/dce_calcs.c | 21 +++++++++++++++----
> 1 file changed, 17 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
> index 158d927c03e55..a0c69fae40ced 100644
> --- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
> +++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
> @@ -98,16 +98,16 @@ static void calculate_bandwidth(
> int32_t num_cursor_lines;
>
> int32_t i, j, k;
> - struct bw_fixed yclk[3];
> - struct bw_fixed sclk[8];
> + struct bw_fixed *yclk;
> + struct bw_fixed *sclk;
> bool d0_underlay_enable;
> bool d1_underlay_enable;
> bool fbc_enabled;
> bool lpt_enabled;
> enum bw_defines sclk_message;
> enum bw_defines yclk_message;
> - enum bw_defines tiling_mode[maximum_number_of_surfaces];
> - enum bw_defines surface_type[maximum_number_of_surfaces];
> + enum bw_defines *tiling_mode;
> + enum bw_defines *surface_type;
> enum bw_defines voltage;
> enum bw_defines pipe_check;
> enum bw_defines hsr_check;
> @@ -122,6 +122,14 @@ static void calculate_bandwidth(
> int32_t number_of_displays_enabled_with_margin = 0;
> int32_t number_of_aligned_displays_with_no_margin = 0;
>
> + yclk = kzalloc(sizeof(*yclk) * 3, GFP_KERNEL);
> + sclk = kzalloc(sizeof(*sclk) * 8, GFP_KERNEL);
> +
> + tiling_mode = kzalloc(sizeof(*tiling_mode) *
> + maximum_number_of_surfaces, GFP_KERNEL);
> + surface_type = kzalloc(sizeof(*surface_type) *
> + maximum_number_of_surfaces, GFP_KERNEL);
Please refrain from merging this yet. I missed some error checking.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2021-01-12 13:45 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 19:18 [PATCH 00/40] [Set 12] Rid W=1 warnings from GPU Lee Jones
2021-01-11 19:18 ` [PATCH 01/40] drm/amd/display/dc/dce/dce_aux: Mark 'dce_aux_transfer_raw' as __maybe_unused Lee Jones
2021-01-12 21:57 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 02/40] drm/amd/display/dc/dce/dce_link_encoder: Remove unused variable 'value0' Lee Jones
2021-01-12 21:58 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 03/40] drm/amd/display/dc/gpio/hw_ddc: Remove unused variable 'reg2' Lee Jones
2021-01-11 19:18 ` [PATCH 04/40] drm/amd/display/dc/dce/dce_opp: Demote non-compliant kernel-doc headers Lee Jones
2021-01-12 22:00 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 05/40] drm/amd/display/dc/dce/dce_transform: Demote kernel-doc abuse Lee Jones
2021-01-12 22:01 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 06/40] drm/amd/display/dc/gpio/diagnostics/hw_translate_diag: Include our own header containing prototypes Lee Jones
2021-01-12 22:01 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 07/40] drm/amd/display/dc/irq/irq_service: Make local function static Lee Jones
2021-01-12 22:02 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 08/40] drm/amd/display/dc/gpio/diagnostics/hw_factory_diag: Fix struct declared inside parameter list error Lee Jones
2021-01-12 22:03 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 09/40] drm/amd/display/dc/gpio/diagnostics/hw_factory_diag: Include our own header containing prototypes Lee Jones
2021-01-12 22:04 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 10/40] drm/amd/display/dc/dce120/dce120_hw_sequencer: Encompass defines in same clause as their use Lee Jones
2021-01-12 22:06 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 11/40] drm/amd/display/dc/dce120/dce120_timing_generator: Lee Jones
2021-01-12 22:10 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 12/40] drm/amd/display/dc/dce120/Makefile: Ignore -Woverride-init warning Lee Jones
2021-01-12 22:13 ` Alex Deucher
2021-01-11 19:18 ` [PATCH 13/40] drm/amd/display/dc/calcs/dce_calcs: Move some large variables from the stack to the heap Lee Jones
2021-01-12 13:44 ` Lee Jones [this message]
2021-01-11 19:19 ` [PATCH 14/40] drm/amd/display/dc/calcs/dce_calcs: Remove some large variables from the stack Lee Jones
2021-01-12 13:43 ` Lee Jones
2021-01-11 19:19 ` [PATCH 15/40] drm/amd/display/dc/dce120/dce120_resource: Staticify local functions Lee Jones
2021-01-12 22:13 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 16/40] drm/amd/display/dc/dce120/dce120_timing_generator: Demote non-kerneldoc headers Lee Jones
2021-01-12 22:14 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 17/40] drm/amd/display/dc/dce/dce_aux: Remove duplicate line causing 'field overwritten' issue Lee Jones
2021-01-12 22:15 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 18/40] drm/amd/display/dc/dce112/Makefile: Ignore -Woverride-init warning Lee Jones
2021-01-12 22:16 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 19/40] drm/amd/display/dc/dce/dce_opp: Remove duplicate entries causing 'field overwritten' issues Lee Jones
2021-01-12 22:17 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 20/40] drm/amd/display/dc/dce110/dce110_timing_generator: Remove unused variable 'value_crtc_vtotal' Lee Jones
2021-01-12 22:18 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 21/40] drm/amd/display/dc/dce110/dce110_compressor: Remove unused function 'dce110_get_required_compressed_surfacesize Lee Jones
2021-01-12 22:20 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 22/40] drm/amd/display/dc/dce110/dce110_hw_sequencer: Demote non-conformant kernel-doc header Lee Jones
2021-01-12 22:21 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 23/40] drm/amd/display/dc/dce110/dce110_mem_input_v: Make local functions static Lee Jones
2021-01-12 22:25 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 24/40] drm/amd/pm/swsmu/smu11/vangogh_ppt: Make local function 'vangogh_clk_dpm_is_enabled' static Lee Jones
2021-01-12 22:25 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 25/40] drm/amd/display/dc/dce120/dce120_timing_generator: Remove unused function 'dce120_timing_generator_get_position' Lee Jones
2021-01-12 22:26 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 26/40] drm/amd/display/dc/dce110/dce110_timing_generator: Demote kernel-doc abuses to standard function headers Lee Jones
2021-01-12 22:29 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 27/40] drm/amd/display/dc/dce110/dce110_compressor: Strip out unused function 'controller_id_to_index' Lee Jones
2021-01-12 22:30 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 28/40] drm/amd/display/dc/calcs/dce_calcs: Demote non-conformant kernel-doc function headers Lee Jones
2021-01-14 17:00 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 29/40] drm/amd/display/dc/dce112/dce112_resource: Make local functions and ones called by reference static Lee Jones
2021-01-12 22:32 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 30/40] drm/amd/display/dc/dce110/dce110_timing_generator_v: Demote kernel-doc abuse and line up comments Lee Jones
2021-01-12 22:33 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 31/40] drm/amd/display/dc/dce110/dce110_mem_input_v: Include our own header, containing prototypes Lee Jones
2021-01-12 22:34 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 32/40] drm/amd/display/dc/dce110/Makefile: Ignore -Woverride-init warning Lee Jones
2021-01-12 22:35 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 33/40] drm/amd/display/dc/dce110/dce110_resource: Make local functions invoked by reference static Lee Jones
2021-01-12 22:36 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 34/40] drm/amd/display/dc/dce110/dce110_transform_v: Demote kernel-doc abuse Lee Jones
2021-01-12 22:37 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 35/40] drm/amd/display/dc/dce60/dce60_timing_generator: Make 'dce60_configure_crc' invoked by reference static Lee Jones
2021-01-12 22:37 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 36/40] drm/amd/display/dc/dce100/dce100_resource: Make local functions and ones called " Lee Jones
2021-01-12 22:38 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 37/40] drm/amd/display/dc/dce60/dce60_resource: Make local functions static Lee Jones
2021-01-12 22:39 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 38/40] drm/amd/display/dc/dce80/dce80_resource: " Lee Jones
2021-01-11 19:19 ` [PATCH 39/40] drm/amd/display/dc/core/dc_surface: Demote kernel-doc abuse Lee Jones
2021-01-12 22:41 ` Alex Deucher
2021-01-11 19:19 ` [PATCH 40/40] drm/amd/display/dc/core/dc_stream: Demote non-conformant kernel-doc headers Lee Jones
2021-01-12 22:42 ` Alex Deucher
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